118378989

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{16421}}^1$

素因数の和:16522

約数の個数: 20

約数和(自身を含む): 178835580

約数和(自身を除く): 60456591

約数列:

[1, 3, 9, 27, 81, 89, 267, 801, 2403, 7209, 16421, 49263, 147789, 443367, 1330101, 1461469, 4384407, 13153221, 39459663, 118378989]

約数ペア:

[(1, 118378989), (3, 39459663), (9, 13153221), (27, 4384407), (81, 1461469), (89, 1330101), (267, 443367), (801, 147789), (2403, 49263), (7209, 16421)]